Sunflag Iron & Steel Co. Ltd manufactures Round Cornered Squares made of Carbon, Free-Cutting and Alloy Steels. Sunflag Iron & Steel Co. Ltd is an ISO 9001:2000 and & ISO / TS 16949 certified company. The Round Cornered Squares are made of Carbon, Free-Cutting and Alloy Steels and used in forging and automobile industries. The Round Cornered Squares comes in specifications like: DIN, SAE/AISI, BS et cetera. They are available in sizes from 45 X 45 mm to 90 X 90 mm. The sizes for Round Cornered Squares, side in 43.5, 50, 55, 60, 63, 70, and 75 mm.